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Finding the Fourth Proportional to 503,890.47, 695,368.83 and 277,535.97

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Solution

The fourth proportional to 503,890.47, 695,368.83 and 277,535.97 is: 382,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,890.47 : 695,368.83 = 277,535.97 : x
  2. Step 2: Convert to fraction form
    503,890.47/695,368.83 = 277,535.97/x
  3. Step 3: Cross multiply
    503,890.47x = 695,368.83 × 277,535.97
  4. Step 4: Simplify right side
    503,890.47x = 192,989,863,782.58
  5. Step 5: Solve for x
    x = 192,989,863,782.58/503,890.47
  6. Step 6: Final answer
    x = 382,999.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.